Doctor profile · Federal record

Dr. Paul Omastiak, MD

Family Medicine Physician (CMS: Family Practice) · Oak Lawn, IL

  • NPI 1821020124
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4301 W 95Th Street
Oak Lawn, IL 604532670
(708) 425-5500
fax (708) 425-0771

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 28, 2021
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036070593
Medicaid
IL #036070593

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821020124. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,340
Distinct HCPCS
10
Medicare allowed
$188,200
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 510 239 $134
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 303 175 $65
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 191 191 $133
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 174 97 $27
G0444 Annual depression screening, 5 to 15 minutes 170 170 $19
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 161 161 $27
G0442 Annual alcohol misuse screening, 5 to 15 minutes 140 140 $19
G0008 Administration of influenza virus vaccine 116 113 $32
90662 Influenza vaccine split virus, preservative free 111 108 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 93 70 $94

In context: peer comparison

Among 13 peers in Oak Lawn Family Medicine Physician, average services per provider: 140. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,382
Transactions
71
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 16 $333.71
Pfizer INC. 13 $194.62
Otsuka America Pharmaceutical, INC. 7 $155.07
Lilly USA, LLC 6 $112.15
Abbvie INC. 5 $99.63
Novo Nordisk INC 5 $93.13
Boehringer Ingelheim Pharmaceuticals, INC. 3 $88.50
GlaxoSmithKline, LLC. 5 $85.46
Amgen INC. 3 $66.30
Abbott Laboratories 2 $47.61
Astellas Pharma US INC 2 $36.75
Phathom Pharmaceuticals, INC. 2 $35.83
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $17.12
Janssen Pharmaceuticals, INC 1 $16.45

By nature of payment

Food and Beverage
$1,382

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,316
Patients
633
Total drug cost
$37,980
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 440 117 $6,831
Amlodipine Besylate Generic 292 82 $3,741
Metformin Hcl Generic 201 55 $3,133
Losartan Potassium Generic 175 49 $2,798
Levothyroxine Sodium Generic 172 45 $3,040
Lisinopril Generic 169 42 $2,222
Rosuvastatin Calcium Generic 122 33 $2,487
Metoprolol Succinate Generic 116 32 $2,193
Hydrochlorothiazide Generic 102 29 $436
Pravastatin Sodium Generic 101 27 $2,824

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Omastiak's medical specialty?
Dr. Paul Omastiak practices Family Medicine Physician in Oak Lawn, IL.
Where does Dr. Paul Omastiak practice?
Dr. Paul Omastiak practices at 4301 W 95Th Street, Oak Lawn, IL 604532670. Office phone: 7084255500.
What is Dr. Paul Omastiak's NPI?
Dr. Paul Omastiak's National Provider Identifier (NPI) is 1821020124, issued by NPPES.
Does Dr. Paul Omastiak accept Medicare assignment?
Yes. Dr. Paul Omastiak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Omastiak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.